This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Suppose we randomly selected 250 people, and on the basis of their responses to a survey we assigned ... (Read 96 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
on: Jun 24, 2018
Suppose we randomly selected 250 people, and on the basis of their responses to a survey we assigned them to one of two groups: high-risk group and low-risk group. We then recorded the blood pressure for the members of each group. Such data are called:
 a. observational. c. matched.
  b. experimental. d. None of these choices.

Question 2

One of the simplest ways to reduce random variation is to smooth the time series using moving averages and exponential smoothing.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asdfasdf

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

T


cabate

  • Member
  • Posts: 537
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

komodo7

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Selected Corticosteroids Selected Corticosteroids
The primary and secondary adaptive responses. The primary and secondary adaptive responses.
Kinetic basis for preferential excision of mismatched nucleotides by a 3’ exonuclease site distant Kinetic basis for preferential excision of mismatched nucleotides by a 3’ exonuclease site distant
Marketing: Real People, Real Choices Marketing: Real People, Real Choices
Statistics Canada, Labour Force Survey Statistics Canada, Labour Force Survey
The biochemical basis of the ABO blood groups The biochemical basis of the ABO blood groups
Video: Cardiac conductile cells

For a complete list of videos, visit our video library